package repositories

import (
	"fmt"
	"time"
	"xorm.io/xorm"
	"xps/datamodels"
	"xps/viewmodels"
)

type ObjectAttrRepo struct {
	engine *xorm.Engine
}

func NewObjectAttrRepo(engine *xorm.Engine) *ObjectAttrRepo {
	return &ObjectAttrRepo{
		engine: engine,
	}
}

func (d *ObjectAttrRepo) GetPage(m map[string]interface{}) (*viewmodels.PageResult, error) {
	limit     := m["limit"].(int)
	page      := m["page"].(int)

	sqlSelect := ` SELECT A.*                   `
	sqlFrom   := ` FROM   ds_object_attr   AS A `
	sqlWhere  := ` WHERE A.deleted_flag = 0     `
	if keywords, ok := m["keywords"]; ok {
		sqlWhere += ` AND A.attr_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
	}

	sqlCount  := ` SELECT COUNT(*)              `
	total, err1 := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(datamodels.ObjectAttr))
	if err1 != nil {
		return nil, err1
	}

	sqlOrderBy := " ORDER BY A.object_id DESC "
	pageStart  := (page - 1) * limit
	sqlLimit   := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)

	datalist := make([]datamodels.ObjectAttr, 0)
	err2 := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy + sqlLimit).Find(&datalist)
	if err2 != nil {
		return nil, err2
	}

	pageResult := &viewmodels.PageResult{}
	pageResult.Data     = datalist
	pageResult.Total    = total
	pageResult.PageSize = limit
	pageResult.Page     = page
	return pageResult, nil
}

func (d *ObjectAttrRepo) GetList(m map[string]interface{}) ([]viewmodels.ObjectAttrInfo, error) {
	sqlSelect  := ` SELECT A.*                 `
	sqlFrom    := ` FROM  ds_object_attr AS A  `
	sqlWhere   := ` WHERE A.deleted_flag = 0   `
	if keywords, ok := m["keywords"]; ok {
		sqlWhere += ` AND A.attr_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
	}
	sqlOrderBy := " ORDER BY A.model_id DESC "
	
	datalist   := make([]viewmodels.ObjectAttrInfo, 0)
	err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
	if err != nil {
		return nil, err
	} else {
		return datalist, nil
	}
}

func (d *ObjectAttrRepo) GetListById(modelId, objectId int64) ([]viewmodels.ObjectAttrInfo, error) {
	sqlSelect  := ` SELECT A.*                 `
	sqlFrom    := ` FROM  ds_object_attr AS A  `
	sqlWhere   := ` WHERE A.deleted_flag = 0   `
	sqlWhere   += fmt.Sprintf(" AND A.model_id  = %d", modelId)
	sqlWhere   += fmt.Sprintf(" AND A.object_id = %d", objectId)
	sqlOrderBy := " ORDER BY A.model_id DESC "
	
	datalist   := make([]viewmodels.ObjectAttrInfo, 0)
	err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
	if err != nil {
		return nil, err
	} else {
		return datalist, nil
	}
}

func (d *ObjectAttrRepo) GetById(modelId, objectId, attrId int64) (*viewmodels.ObjectAttrInfo, error) {
	data    := &viewmodels.ObjectAttrInfo{}
	ok, err := d.engine.
		Where("model_id = ?", modelId).
		Where("object_id = ?", objectId).
		Where("attr_id = ?", attrId).
		Get(data)
	if !ok && err == nil {
		return nil, err
	} else {
		return data, nil
	}
}

func (d *ObjectAttrRepo) Create(data *datamodels.ObjectAttr) error {
	data.CreatedAt = time.Now()
	_, err := d.engine.Insert(data)
	return err
}

func (d *ObjectAttrRepo) Update(data *datamodels.ObjectAttr) error {
	modelId   := data.ModelId
	objectId  := data.ObjectId
	attrId    := data.AttrId
	data.UpdatedAt = time.Now()
	_, err := d.engine.
		Where("model_id = ?", modelId).
		Where("object_id = ?", objectId).
		Where("attr_id = ?", attrId).
		Update(data)
	return err
}

func (d *ObjectAttrRepo) Delete(m map[string]interface{}) error {
	modelId   := m["modelId"].(int64)
	objectId  := m["objectId"].(int64)
	attrId    := m["attrId"].(int64)
	deletedBy := m["deletedBy"].(int64)

	data := &datamodels.ObjectAttr{}
	data.DeletedFlag = 1
	data.DeletedBy   = deletedBy
	data.DeletedAt   = time.Now()
	_, err := d.engine.
		Where("model_id = ?", modelId).
		Where("object_id = ?", objectId).
		Where("attr_id = ?", attrId).
		Delete(data)
	return err
}

func (d *ObjectAttrRepo) DeleteByObjectId(modelId, objectId int64) error {
	data := &datamodels.ObjectAttr{}
	_, err := d.engine.
		Where("model_id = ?", modelId).
		Where("object_id = ?", objectId).
		Delete(data)
	return err
}